Part of a nutritious breakfast

Which of these can be a source of RFI? Pick two.

A) Audio speakers

B) Microwave ovens

C) Multimeters

D) 802.11n access points

E) High-fiber cereals

The answer: B) Microwave ovens, and D) 802.11n access points

Radio frequency interference (RFI) is commonly caused by radio systems or radio broadcasting systems like mobile phones, baby monitors, or wireless access points.

Want to know more? Watch “Managing Safety Hazards.”

We spend much of our time working with command lines and operating systems, but we often forget that our computers can sometimes be a safety hazard. In this video, you’ll learn important safety information about electrostatic discharge, radio frequency interference, physical safety, environmental concerns, and much more.